\begin{tikzpicture} [every node/.style={anchor=south west,,inner sep=0}]
\node [fill=red!5] (AINFL){
\begin{tabular}{|C{4em}|C{4em}|C{4em}|C{4em}|}
	\hline 
	LOW & UP & CTP & CLEN \\ 
	\hline
\end{tabular}};	
\node(tip)[draw,fill=green!10,inner sep=0.5em,rectangle callout,callout relative pointer={(-3em,-1.45em)},rounded corners = 0.3em,align=center] at ([xshift=-7em,yshift=2em]AINFL.east) {每维占表中一个纪录};
\end{tikzpicture}